Home / 14,278,380,081.84-19,683,397,597.68-9,978,242,731.20

Finding the Fourth Proportional to 14,278,380,081.84, 19,683,397,597.68 and 9,978,242,731.20

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Solution

The fourth proportional to 14,278,380,081.84, 19,683,397,597.68 and 9,978,242,731.20 is: 13,755,462,305.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278,380,081.84 : 19,683,397,597.68 = 9,978,242,731.20 : x
  2. Step 2: Convert to fraction form
    14,278,380,081.84/19,683,397,597.68 = 9,978,242,731.20/x
  3. Step 3: Cross multiply
    14,278,380,081.84x = 19,683,397,597.68 × 9,978,242,731.20
  4. Step 4: Simplify right side
    14,278,380,081.84x = 196,405,719,004,370,010,112
  5. Step 5: Solve for x
    x = 196,405,719,004,370,010,112/14,278,380,081.84
  6. Step 6: Final answer
    x = 13,755,462,305.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.